.bigHome{}
.Index{
    width: 100%;
    .Bottom{
        display: flex;
        padding-left: 60px;
        box-sizing: border-box;
        margin: 60px  auto 0;
    }
    .Left{
        top: 80px;
        position: fixed;
    }
    .Right{
        width: calc(100% - 300px);
        margin-top: 30px;
        margin-left: 320px;
    }
}